A deadly shootout on the Champs Elysees, Paris’s most famous avenue, darkened the final day of campaigning in France’s pivotal presidential election on Friday, stoking fears of terrorist violence and firmly embedding the nation’s security as the main issue of Sunday’s vote. As the 11 candidates were speaking in a televised debate event before a reported audience of millions Thursday night, a gunman opened fire with a Kalashnikov assault rifle on a police patrol parked on the avenue, killing one officer and seriously injuring two others as a wave of panicked pedestrians fled into side streets. The Islamic State claimed responsibility. The gunman was then shot dead as he tried to escape, the Paris prosecutor told reporters. Full story